package my.audition;

public class Example {
	String str = "hello,java";
	char[] ch = { 'a', 'b', 'c' };

	public void change(String str, char ch[]) {
		str = "test ok";
		ch[0] = 'G';
	}

	public static void main(String[] args) {
		Example ex = new Example();
		ex.change(ex.str, ex.ch);
		System.out.println(ex.str + "...."); //hello,java....
		System.out.println(ex.ch);	//Gbc
	}
}
